fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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72 lines
2.5 KiB
72 lines
2.5 KiB
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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#pragma once
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#include <stdint.h>
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#include <memory>
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#include <string>
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#include "rocksdb/flush_block_policy.h"
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#include "rocksdb/table.h"
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#include "db/dbformat.h"
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namespace rocksdb {
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struct EnvOptions;
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using std::unique_ptr;
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class BlockBasedTableBuilder;
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class BlockBasedTableFactory : public TableFactory {
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public:
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explicit BlockBasedTableFactory(
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const BlockBasedTableOptions& table_options = BlockBasedTableOptions());
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~BlockBasedTableFactory() {}
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const char* Name() const override { return "BlockBasedTable"; }
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Status NewTableReader(const TableReaderOptions& table_reader_options,
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unique_ptr<RandomAccessFileReader>&& file,
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uint64_t file_size,
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unique_ptr<TableReader>* table_reader) const override;
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// This is a variant of virtual member function NewTableReader function with
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// added capability to disable pre-fetching of blocks on BlockBasedTable::Open
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Status NewTableReader(const TableReaderOptions& table_reader_options,
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unique_ptr<RandomAccessFileReader>&& file,
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uint64_t file_size,
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unique_ptr<TableReader>* table_reader,
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bool prefetch_index_and_filter) const;
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TableBuilder* NewTableBuilder(
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const TableBuilderOptions& table_builder_options,
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uint32_t column_family_id, WritableFileWriter* file) const override;
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// Sanitizes the specified DB Options.
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Status SanitizeOptions(const DBOptions& db_opts,
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const ColumnFamilyOptions& cf_opts) const override;
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std::string GetPrintableTableOptions() const override;
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const BlockBasedTableOptions& table_options() const;
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void* GetOptions() override { return &table_options_; }
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private:
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BlockBasedTableOptions table_options_;
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};
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extern const std::string kHashIndexPrefixesBlock;
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extern const std::string kHashIndexPrefixesMetadataBlock;
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extern const std::string kPropTrue;
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extern const std::string kPropFalse;
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} // namespace rocksdb
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